#include <stdio.h>
#include <stdlib.h>

int main()
{
    char a,b,c;
    int x;
    scanf("%c    %c%c",&a,&b,&c);
    x=a-'0';
    x=x*10;
    x=(x+b-'0')*10;
    x=x+c-'0';
    printf("%d",x);
    return 0;
}
